The Rafter Length Calculator is engineered for fast and precise computations of key roof rafter parameters. With this tool, you can accurately calculate rafter dimensions, roof pitch, and cross-sectional properties – all crucial for ensuring the strength and durability of your structure.
Main features of the calculator:
- Calculation of roof geometry, including the span width and overhang length.
- Option to compute dimensions based on either roof pitch or post height.
- Assessment of snow and wind loads, with selections for construction region and terrain type.
- Specification of roofing material type and rafter spacing.
- Dimensioning of rafter components based on timber grade and load parameters.
How the calculator works:
- Step 1: Roof Geometry. Input half the span width and the overhang length, then select whether to calculate based on roof pitch or post height.
- Step 2: Loads. Specify the snow and wind load conditions, choose the terrain type, and select the roofing material.
- Step 3: Cross-Section. Provide the timber properties to determine the appropriate rafter cross-sectional dimensions based on the applied load.
- Step 4: Results. After entering all required data, click "Calculate" to display a table with the computed values.
This Rafter Length Calculator helps eliminate design errors by providing reliable data for selecting materials and determining their dimensions. It accounts for conditions such as snow and wind loads, as well as the unique characteristics of the roof structure, enabling precise calculations of rafter strength and performance.
If you found our Rafter Length Calculator useful, feel free to share it with your colleagues and friends!
